The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 2019
Filed:
Apr. 24, 2015
Applicant:
Nipro Corporation, Osaka, JP;
Inventors:
Mitsutaka Ueda, Osaka, JP;
Tomoyuki Matsumoto, Osaka, JP;
Shogo Okada, Osaka, JP;
Hiroomi Nakano, Tokyo, JP;
Assignee:
Nipro Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 1/16 (2006.01); A61M 1/34 (2006.01); F04B 23/04 (2006.01); F04B 9/02 (2006.01); F04B 9/04 (2006.01); F04B 23/06 (2006.01);
U.S. Cl.
CPC ...
A61M 1/1621 (2014.02); A61M 1/1641 (2014.02); A61M 1/3424 (2014.02); F04B 9/02 (2013.01); F04B 9/04 (2013.01); F04B 23/04 (2013.01); F04B 23/06 (2013.01);
Abstract
In a blood purification device containing a blood purifier, a blood circuit, a blood pump, and a dialysate line having a fresh dialysate supply line and a used dialysate discharge line, a pair of plunger pumps are disposed in the dialysate line. The pair of plunger pumps are synchronized so that delivery of a fresh dialysate from one plunger pump and suction of a used dialysate into the other plunger pump simultaneously occur and the stroke of at least one of the pair of plunger pumps is made variable.